\[ y''(x)=\frac {2 y(x)}{x^4}-\frac {y'(x)}{x^3} \] ✓ Mathematica : cpu = 0.0528025 (sec), leaf count = 45
\[\left \{\left \{y(x)\to \frac {1}{2} e^{\frac {1}{2 x^2}} x \left (2 c_1-\sqrt {2 \pi } c_2 \text {erf}\left (\frac {1}{\sqrt {2} x}\right )\right )\right \}\right \}\]
✓ Maple : cpu = 0.057 (sec), leaf count = 25
\[ \left \{ y \left ( x \right ) =x{{\rm e}^{{\frac {1}{2\,{x}^{2}}}}} \left ( {\it Erf} \left ( {\frac {\sqrt {2}}{2\,x}} \right ) {\it \_C2}+{\it \_C1} \right ) \right \} \]